TRABUCO CANYON – The “Tunnel of Terror” caused two women to wet their pants and a child to vomit last year. Countless others dropped their cell phones or bags of Halloween candy in fear, running out of the haunted house set up in the driveway of 10 Homestead in Wagon Wheel.

Shelley and Scott Isaacson’s “Tunnel of Terror” has been a fixture on Halloween night for the last five years. For Scott, it’s a family tradition dating back to his own childhood. He said he’s been building some version of the “Tunnel of Terror” for the last 20 years.

About 2,400 people lined the residential street last year from 7:30 to 10:30 p.m. Scott says he expects about the same number this year.

In addition to 10 costumed actors planted through the haunted house to startle and scare, Scott’s haunted tunnel features pneumatic devices, or machines that use pressurized gas to effect mechanical motion, for certain frightful props.

A pirate-themed haunted house can be found in the same neighborhood at 101 Frontier in Wagon Wheel. Set up by resident Rich Sherman and neighbors, the “Pirates of Frontier” is in its third year.

Sherman, a special events organizer, builds the haunted house in part by using the set from the Doheny Blues Festival in Dana Point.

He said he plans to increase the fear factor this year with about 10 people from the neighborhood dressed to scare visitors to the haunted house.

Sherman also plans to accept donations on behalf of the Katie Hawley Fund, with proceeds benefiting the Hawley family of Ladera Ranch whose nine-year-old daughter Katie was recently diagnosed with cancer.